Removing Search field from Imbalance 2 (2 posts)

Am I losing my mind? I've found numerous answers how to remove search bars from WordPress themes, but none of them seem to match the code in any of the Imbalance 2 php files.

Just to be clear my level of skill is - if you show me what to do I can add or delete it to get the desired effect - so, novice.

There's no mention of it in the header.php, even though it appears to be part of the header. And I looked to put {display:none;} in style.css, but wasn't sure where to put it as the fixes I found mentioned 'searchbar' and 'searchform'.